<?php
/**
 * LICENSE
 *
 * This source file is subject to the new BSD license that is bundled
 * with this package in the file LICENSE.txt.
 * It is also available through the world-wide-web at this URL:
 * http://framework.zend.com/license/new-bsd
 * If you did not receive a copy of the license and are unable to
 * obtain it through the world-wide-web, please send an email
 * to license@zend.com so we can send you a copy immediately.
 *
 * @category   Zend
 * @package    Zend_Cloud
 * @subpackage DocumentService
 * @copyright  Copyright (c) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
 * @license    http://framework.zend.com/license/new-bsd     New BSD License
 */

/**
 * Class encapsulating a set of documents
 *
 * @category   Zend
 * @package    Zend_Cloud
 * @subpackage DocumentService
 * @copyright  Copyright (c) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
 * @license    http://framework.zend.com/license/new-bsd     New BSD License
 */
class Zend_Cloud_DocumentService_DocumentSet implements Countable, IteratorAggregate {
	/** @var int */
	protected $_documentCount;
	
	/** @var ArrayIterator */
	protected $_documents;
	
	/**
	 * Constructor
	 *
	 * @param  array $documents
	 * @return void
	 */
	public function __construct(array $documents) {
		$this->_documentCount = count ( $documents );
		$this->_documents = new ArrayIterator ( $documents );
	}
	
	/**
	 * Countable: number of documents in set
	 *
	 * @return int
	 */
	public function count() {
		return $this->_documentCount;
	}
	
	/**
	 * IteratorAggregate: retrieve iterator
	 *
	 * @return Traversable
	 */
	public function getIterator() {
		return $this->_documents;
	}
}
